#include <iostream>
#include <string>
#include <vector>




#include <iostream>
#include <string>
#include <vector>



using namespace std;
vector<int> add(vector<int>& A, vector<int>& B)
{
	vector<int> C;
	int t = 0;
	for (int i = 0; i < A.size() || i < B.size(); i++)
	{
		if (i < A.size())t += A[i];
		if (i < B.size() )t += B[i];
		C.push_back(t % 10);
		t /= 10;
	}
	if (t)
		C.push_back(1);
	return C;
}

int main()
{
	string a, b;
	cin >> a >> b;
	vector<int> A, B;
	for (int i = a.size() - 1; i >= 0; i--)
	{
		A.push_back(a[i] - '0');
	}
	for (int i = b.size() - 1; i >= 0; i--)
	{
		B.push_back(b[i] - '0');
	}
	auto C = add(A, B);
	for (int i = C.size()-1; i >= 0; i--)
		cout << C[i];

	return 0;
}
